Aqueous Nonionic Solutes at Infinite Dilution:  Thermodynamic Description, Including the Near-critical Region

The possibility of describing the thermodynamic behavior of solutes at infinite dilution using a procedure based upon the Krichevskii function J = (∂p/∂x) has been explored using properties of N2, CO2, NH3, and B(OH)3 dissolved in water. The expressions obtained by fitting one property of the binary...

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Bibliographic Details
Published in:Industrial & engineering chemistry research 2000-10, Vol.39 (10), p.3625-3630
Main Authors: Alvarez, Jorge L, Fernandez-Prini, Roberto, Japas, M. Laura
Format: Article
Language:English
Subjects:
Chemical thermodynamics
Chemistry
Exact sciences and technology
General and physical chemistry
Mixtures
Solution properties
Solutions
Thermodynamic properties
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Summary:The possibility of describing the thermodynamic behavior of solutes at infinite dilution using a procedure based upon the Krichevskii function J = (∂p/∂x) has been explored using properties of N2, CO2, NH3, and B(OH)3 dissolved in water. The expressions obtained by fitting one property of the binary systems over a wide range of temperature and fluid density could be used to predict successfully other properties of the same solution over the same range of thermodynamic states, including the near-critical region. Alternative routes to obtain J are discussed.
ISSN:0888-5885
1520-5045
DOI:10.1021/ie000003k